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PGP Public/Private Key
The PGP public/private key pair is used to protect, by encryption, credit card data
contained in the response files. The key pair contains both a public and a private key.
You exchange the public part of this key pair with
Barclays
, who uses
it to encrypt the response files. You maintain the private part of the key pair to
decrypt the response file. To create a PGP key pair for encrypting and decrypting credit
card data, see PGP Keys.